Indexing by permeability in block structured web pages

Bruno, Emmanuel; Faessel, Nicolas; Glotin, Hervé; Maitre, Jacques Le; Scholl, Micheł

doi:10.1145/1600193.1600209

Cited by 1 publication

(2 citation statements)

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“…Our model was first introduced in [1,2]. With respect to these former versions, the current article not only presents in depth the model but characterizes precisely the impact of importance and permeability on block indexing as well.…”

Section: The Data Modelmentioning

confidence: 99%

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Indexing and querying segmented web pages: the BlockWeb Model

Bruno

Faessel²,

Glotin

et al. 2011

World Wide Web

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We present in this paper a model for indexing and querying web pages, based on the hierarchical decomposition of pages into blocks. Splitting up a page into blocks has several advantages in terms of page design, indexing and querying such as (i) blocks of a page most similar to a query may be returned instead of the page as a whole (ii) the importance of a block can be taken into account, as well as (iii) the permeability of the blocks to neighbor blocks: a block b is said to be permeable to a block b in the same page if b content (text, image, etc.) can be (partially) inherited by b upon indexing. An engine implementing this model is described including: the transformation of web pages into blocks hierarchies, the definition of a dedicated language to express indexing rules and the storage of indexed blocks into an XML repository. The model is assessed on a dataset of electronic news, and a dataset drawn from web pages of the ImagEval campaign where it improves by 16% the mean average precision of the baseline.

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Section: The Data Modelmentioning

confidence: 99%

“…Equation (1) expresses that in order to produce the index of a block, its local index is enforced by the partial or total inheritance of the indexes of its predecessors in the IP graph and weighted by its importance.…”

Section: Block Indexingmentioning

confidence: 99%